GHK-Cu (Glycine-Histidine-Lysine Copper Peptide) is a naturally occurring tripeptide-copper complex found in human plasma, saliva, and urine
100 mg Other Ingredients: Calcium phosphate, cellulose, stearic acid (vegetable source), food-grade coating (hypromellose, titanium dioxide, polydextrose, talc, maltodextrin, medium chain triglycerides), silicon dioxide, and magnesium stearate (vegetable source)
Protein glutathiolation by nitric oxide: an intracellular mechanism regulating redox protein modification
A double-blind, cross-over clinical trial published in the Journal of the International Society of Sports Nutrition investigated the direct effects of oral glutathione on exercise-induced fatigue